package client

import (
	"context"
	"encoding/json"
	"net/url"

	"github.com/moby/moby/api/types/filters"
	"github.com/moby/moby/api/types/plugin"
	"github.com/moby/moby/api/types/versions"
)

// PluginList returns the installed plugins
func (cli *Client) PluginList(ctx context.Context, filter filters.Args) (plugin.ListResponse, error) {
	var plugins plugin.ListResponse
	query := url.Values{}

	if filter.Len() > 0 {
		filterJSON, err := filters.ToJSON(filter)
		if err != nil {
			return plugins, err
		}
		if cli.version != "" && versions.LessThan(cli.version, "1.22") {
			legacyFormat, err := encodeLegacyFilters(filterJSON)
			if err != nil {
				return plugins, err
			}
			filterJSON = legacyFormat
		}
		query.Set("filters", filterJSON)
	}
	resp, err := cli.get(ctx, "/plugins", query, nil)
	defer ensureReaderClosed(resp)
	if err != nil {
		return plugins, err
	}

	err = json.NewDecoder(resp.Body).Decode(&plugins)
	return plugins, err
}